Buick Regal 1997-2004 Fuel System Specifications
Explore the fuel specifications for the 1997-2004 Buick Regal, including fuel type, tank capacity, economy, and emission details. This guide is essential for maintenance, troubleshooting, and optimizing performance.
Overview Specifications
This document provides detailed fuel specifications for the 1997-2004 Buick Regal. It includes information on fuel types, fuel economy, fuel system components, and maintenance tips. Use this guide to understand the fuel-related features of your Buick Regal and ensure optimal performance. The 'howTo' section explains how to search and navigate the document effectively, while 'quickReference' offers key specifications at a glance.
How to Use
Use the search functionality to quickly locate specific fuel-related terms or phrases. Enter your query in the search bar and press 'Enter' to see results. Use filters to narrow down the results by section or subsection.
Navigate through the document using the table of contents or by scrolling through sections. Each section is labeled with a title and description. Click on a section to expand it and view its subsections and details.
Key Specifications
Fuel Tank Capacity
17.5 gallons
Recommended Octane
87 or higher
City MPG
18-20 MPG
Highway MPG
27-29 MPG
Combined MPG
22-24 MPG
Available Specifications
Fuel Types and Recommendations
This section covers the types of fuel suitable for the 1997-2004 Buick Regal and manufacturer recommendations for optimal performance.
Fuel Types and Recommendations
This section covers the types of fuel suitable for the 1997-2004 Buick Regal and manufacturer recommendations for optimal performance.
Recommended Fuel Type
- Use unleaded gasoline with an octane rating of 87 or higher.
- Premium fuel is not required but may improve performance.
- Avoid using gasoline with more than 10% ethanol.
- Never use leaded gasoline or diesel fuel.
Fuel Additives
- Use fuel additives sparingly and only those approved by Buick.
- Avoid additives containing methanol or silicone.
- Detergent additives can help keep the fuel system clean.
- Check the owner’s manual for specific recommendations.
Fuel Economy
This section provides fuel economy figures for the 1997-2004 Buick Regal, including city, highway, and combined MPG ratings.
Fuel Economy
This section provides fuel economy figures for the 1997-2004 Buick Regal, including city, highway, and combined MPG ratings.
MPG Ratings
- City MPG: Approximately 18-20 MPG.
- Highway MPG: Approximately 27-29 MPG.
- Combined MPG: Approximately 22-24 MPG.
- Actual mileage may vary based on driving conditions.
Factors Affecting Fuel Economy
- Driving habits such as aggressive acceleration.
- Vehicle maintenance, including tire pressure and engine tune-ups.
- Environmental factors like temperature and terrain.
- Use of air conditioning or other accessories.
Fuel System Components
This section details the key components of the Buick Regal’s fuel system, including the fuel tank, fuel pump, and injectors.
Fuel System Components
This section details the key components of the Buick Regal’s fuel system, including the fuel tank, fuel pump, and injectors.
Fuel Tank
- Capacity: 17.5 gallons.
- Made of high-density polyethylene for durability.
- Includes a fuel level sensor for accurate readings.
- Designed to minimize evaporative emissions.
Fuel Pump and Injectors
- Electric fuel pump located inside the fuel tank.
- Fuel injectors deliver precise amounts of fuel to the engine.
- Regular maintenance ensures proper fuel delivery.
- Signs of failure include engine sputtering or difficulty starting.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Gasoline
- Configuration
- Internal Combustion Engine
- Platform
- GM W-body
- Material
- Steel and Aluminum
- Location
- Front Engine
Dimensions
- Fuel Tank Capacity
- 18.5 gallons (70 liters)
- Fuel Line Diameter
- 0.3125 inches (7.9375 mm)
- Fuel Pump Pressure
- 58 psi (400 kPa)
- Fuel Filter Size
- 2.5 inches x 2 inches (63.5 mm x 50.8 mm)
- Fuel injector Flow Rate
- 24 lbs/hr (2.72 kg/hr)
- Fuel Rail Length
- 24 inches (609.6 mm)
- Fuel Tank Weight
- 15 lbs (6.8 kg) when empty
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nylon with rubber coating
- Fuel Pump
- Stainless steel and plastic
- Fuel Filter
- Cellulose and resin
- Fuel Rail
- Aluminum
Features
- Fuel Delivery
-
- Sequential fuel injection
- Returnless fuel system
- Electronic throttle control
- Fuel Efficiency
-
- Optimized combustion
- Variable valve timing
- Lean burn technology
- Fuel Monitoring
-
- Fuel level sensor
- Low fuel warning light
- Fuel consumption display
- Emissions Control
-
- Catalytic converter
- Evaporative emissions system
- Oxygen sensors
- Safety
-
- Rollover valve
- Fuel cut-off switch
- Impact-resistant fuel tank
Safety Features
- Fuel Leak Prevention
-
- Double-walled fuel lines
- Automatic fuel shut-off
- Leak detection system
- Fire Prevention
-
- Flame arrestor
- Fuel tank shield
- Thermal protection
- Crash Safety
-
- Fuel tank placement
- Impact sensors
- Emergency fuel shut-off
Comfort Features
- Fueling Ease
-
- Easy-access fuel door
- Capless fuel filler
- Quick refueling
- Noise Reduction
-
- Quiet fuel pump
- Insulated fuel lines
- Vibration dampening
- Convenience
-
- Fuel gauge accuracy
- Range estimation
- Fuel type reminder
Accessories
- Fuel Additives
-
- Fuel injector cleaner
- Octane booster
- Fuel stabilizer
- Fuel Enhancements
-
- High-performance fuel pump
- Aftermarket fuel rail
- Upgraded fuel filter
- Monitoring Tools
-
- Fuel pressure gauge
- Fuel consumption monitor
- Diagnostic scanner
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Replace fuel filter
- Inspect fuel lines
- Check fuel pump pressure
- Test fuel injectors
- Clean fuel tank
- Maintenance Notes
- Use only recommended fuel types and additives
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Bumper to bumper
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Emissions Warranty
- Miles: 50,000Years: 4Coverage: Catalytic converter and oxygen sensors
- Corrosion Warranty
- Miles: 100,000Years: 6Coverage: Perforation from rust
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Injection molding
- CNC machining
- Assembly line production
- Quality Control
- inspection: 100% component testingCertifications: ISO 9001Testing: Pressure and leak tests
- Sustainability Practices
-
- Recycled materials
- Energy-efficient production
- Waste reduction
- Production Metrics
- Annual Output: 500,000 unitsProduction Time: 2 hours per vehicleDefect Rate: 0.1%
Service Information for fuel Service
Maintenance and service requirements specific to this component
- Inspect fuel lines for cracks
- Replace fuel filter
- Check fuel pump pressure
- Test fuel injectors
- Clean fuel tank
Use only recommended fuel types and additives
- Replace fuel pump
- Inspect fuel rail
- Check for fuel leaks
- Test fuel pressure regulator
- Clean fuel injectors
Special tools may be required for fuel pump replacement
- Replace fuel tank
- Inspect and replace fuel lines if necessary
- Test fuel system for leaks
- Replace fuel pressure regulator
- Perform complete fuel system flush
Critical to inspect for rust and corrosion in fuel tank
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the fuel tank capacity and recommended fuel type for the 1997-2004 Buick Regal?
What is the fuel tank capacity and recommended fuel type for the 1997-2004 Buick Regal?
The 1997-2004 Buick Regal has a fuel tank capacity of approximately 18 gallons. The recommended fuel type is regular unleaded gasoline with an octane rating of 87. For optimal performance, it is advised to use fuel that meets GM's specifications for detergents and additives. Compatible fuel injectors for the 3.8L V6 engine are designed to flow at 24 lbs/hr, ensuring proper fuel delivery for both base and GS models.
Q2 What is the recommended maintenance schedule for the fuel system?
What is the recommended maintenance schedule for the fuel system?
Regular maintenance of the fuel system includes replacing the fuel filter every 15,000 to 30,000 miles, depending on driving conditions. Fuel injectors should be cleaned every 30,000 miles to maintain optimal performance. Additionally, the fuel tank and lines should be inspected every 50,000 miles for signs of corrosion or damage. Always refer to the owner's manual or a certified GM technician for specific recommendations.
Q3 How do I replace the fuel filter or fuel injector?
How do I replace the fuel filter or fuel injector?
To replace the fuel filter: 1) Locate the filter near the fuel tank. 2) Relieve fuel pressure by disconnecting the battery and starting the engine until it stalls. 3) Disconnect the fuel lines from the filter using a wrench. 4) Remove the filter and install the new one. 5) Reconnect the lines and check for leaks. For fuel injectors, it is recommended to have a professional perform the replacement due to the complexity of the process and the need for specialized tools.
Q4 What are common issues with the fuel system and how can I troubleshoot them?
What are common issues with the fuel system and how can I troubleshoot them?
Common issues include poor fuel pressure, clogged fuel filters, or faulty fuel injectors. If the engine is hesitating or having trouble starting, check the fuel pressure using a pressure gauge (specifications: 35-45 PSI for the 3.8L engine). Inspect the fuel filter for contamination and replace it if necessary. Use an OBD-II scanner to check for trouble codes related to the fuel system. If issues persist, consult a certified mechanic for further diagnosis.
Q5 How can I optimize the performance of my Buick Regal's fuel system?
How can I optimize the performance of my Buick Regal's fuel system?
To optimize performance, ensure regular maintenance of the fuel system, including filter replacements and injector cleaning. Use high-quality fuel with the correct octane rating. Consider upgrading to a high-flow fuel filter or performance fuel injectors if you've modified the engine. Additionally, maintaining proper tire pressure and driving habits can improve overall fuel efficiency. Always follow GM's guidelines for modifications to avoid voiding the warranty or causing damage.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Buick Regal Service Manual (1997-2004)
Coming SoonComprehensive service manual covering diagnostics, maintenance, and repair procedures for the 1997-2004 Buick Regal fuel system.
Technical Bulletin: Fuel System Updates
Coming SoonOfficial GM technical bulletin detailing updates and improvements for the fuel system in 1997-2004 Buick Regal models.
Genuine GM Parts Catalog
Coming SoonCatalog of genuine GM parts for the Buick Regal fuel system, including filters, injectors, and other components.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.